Base | Representation |
---|---|
bin | 11100001011111… |
… | …010111111111010 |
3 | 1012221211011102002 |
4 | 130023322333322 |
5 | 1432024343130 |
6 | 114531341002 |
7 | 14501322101 |
oct | 3413727772 |
9 | 1187734362 |
10 | 472887290 |
11 | 222a29247 |
12 | 112451762 |
13 | 76c81385 |
14 | 46b39038 |
15 | 2b7aeb45 |
hex | 1c2faffa |
472887290 has 16 divisors (see below), whose sum is σ = 854918280. Its totient is φ = 188328000.
The previous prime is 472887281. The next prime is 472887293. The reversal of 472887290 is 92788274.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 472323289 + 564001 = 21733^2 + 751^2 .
It is a super-3 number, since 3×4728872903 (a number of 27 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (472887293) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100961 + ... + 105540.
Almost surely, 2472887290 is an apocalyptic number.
472887290 is a deficient number, since it is larger than the sum of its proper divisors (382030990).
472887290 is a wasteful number, since it uses less digits than its factorization.
472887290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206737.
The product of its (nonzero) digits is 451584, while the sum is 47.
The square root of 472887290 is about 21745.9718108895. The cubic root of 472887290 is about 779.0868615046.
The spelling of 472887290 in words is "four hundred seventy-two million, eight hundred eighty-seven thousand, two hundred ninety".
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